“…[4]). The biodegradability of native LMW HA and HMW HA and phosphorylated HA-P samples was determined by the amount of low-molecular-weight products formed during the cleavage of HA by HA-ase (60 or 600 ME/mL, [HA] = 4 mg/mL of citrate buffer, pH 6.3, 16-18 h) and not precipitated by the methyl alcohol/diethyl ether mixture (3:1) [2]. The relative biodegradability (RB) of HA-P samples was calculated relative to the biodegradability of the corresponding LMW HA and HMW HA.…”
Section: O5mentioning
confidence: 99%
“…Any chemical modification of HA can lead to both a decrease and an increase in biodegradability. For example, the cross-linking of HA [1] or C6-oxidation at the N-acetyl-D-glucosamine unit [2] reduces its biodegradability, while the introduction of vitamin substances such as nicotinic acid (vitamin PP) into the structure activates the biodegradability of HA macromolecules [3].…”
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).
“…[4]). The biodegradability of native LMW HA and HMW HA and phosphorylated HA-P samples was determined by the amount of low-molecular-weight products formed during the cleavage of HA by HA-ase (60 or 600 ME/mL, [HA] = 4 mg/mL of citrate buffer, pH 6.3, 16-18 h) and not precipitated by the methyl alcohol/diethyl ether mixture (3:1) [2]. The relative biodegradability (RB) of HA-P samples was calculated relative to the biodegradability of the corresponding LMW HA and HMW HA.…”
Section: O5mentioning
confidence: 99%
“…Any chemical modification of HA can lead to both a decrease and an increase in biodegradability. For example, the cross-linking of HA [1] or C6-oxidation at the N-acetyl-D-glucosamine unit [2] reduces its biodegradability, while the introduction of vitamin substances such as nicotinic acid (vitamin PP) into the structure activates the biodegradability of HA macromolecules [3].…”
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).
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